#!/bin/bash
# 查看服务状态
# 支持多租户模式

# 获取脚本所在目录
SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
APP_HOME=$(dirname "$SCRIPT_DIR")

# 自动从lib目录下的JAR文件推断APP_NAME
JAR_FILE=$(ls ${APP_HOME}/lib/*.jar 2>/dev/null | head -1)
APP_NAME=$(basename "$JAR_FILE" .jar)

# 加载环境变量配置
if [ -f "${APP_HOME}/conf/env.properties" ]; then
    while IFS='=' read -r key value; do
        [[ "$key" =~ ^#.*$ ]] && continue
        [[ -z "$key" ]] && continue
        key=$(echo "$key" | xargs)
        value=$(echo "$value" | xargs)
        [[ "$key" == "APP_NAME" ]] && continue
        export "$key=$value"
    done < "${APP_HOME}/conf/env.properties"
fi

# 实例名称
INSTANCE_NAME=${INSTANCE_NAME:-${APP_NAME}}

# PID文件路径
PID_FILE="${APP_HOME}/${INSTANCE_NAME}.pid"

echo "=========================================="
echo "  Service: ${INSTANCE_NAME}"
echo "=========================================="

if [ -f "$PID_FILE" ]; then
    PID=$(cat $PID_FILE)
    if ps -p $PID > /dev/null 2>&1; then
        echo -e "Status: \033[32mRUNNING\033[0m"
        echo "PID:    ${PID}"
        echo "Home:   ${APP_HOME}"
        if [ -n "${TENANT_ID}" ]; then
            echo "Tenant: ${TENANT_ID}"
        fi
        echo ""
        # 显示进程信息
        ps -p $PID -o pid,ppid,%cpu,%mem,etime,cmd --no-headers 2>/dev/null
    else
        echo -e "Status: \033[31mSTOPPED\033[0m (stale PID file)"
        rm -f $PID_FILE
    fi
else
    echo -e "Status: \033[31mSTOPPED\033[0m"
fi

echo "=========================================="